481500881 has 2 divisors, whose sum is σ = 481500882. Its totient is φ = 481500880.

The previous prime is 481500863. The next prime is 481500923. The reversal of 481500881 is 188005184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281702656 + 199798225 = 16784^2 + 14135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481500881 is a prime.

It is a super-2 number, since 2×481500881² = 463686196807552322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481500821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240750440 + 240750441.

It is an arithmetic number, because the mean of its divisors is an integer number (240750441).

Almost surely, 2^481500881 is an apocalyptic number.

It is an amenable number.

481500881 is a deficient number, since it is larger than the sum of its proper divisors (1).

481500881 is an equidigital number, since it uses as much as digits as its factorization.

481500881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 481500881 is about 21943.1283321226. The cubic root of 481500881 is about 783.7887555821.

The spelling of 481500881 in words is "four hundred eighty-one million, five hundred thousand, eight hundred eighty-one".